touchdown

n 1 (of an aircraft) landing （指飞行器）著陆, 接地. 2 (in American football) score made by taking the ball across the other team's goal line （美式橄榄球）持球触地（持球越对方门线得分）.

total, totalitarian, totalitarianism, totality, totalizator, totalisator, totally, tote, totem, totem-pole, totter, tottery, toucan, touch, touch off, touch on, touch up, touch-and-go, touch-judge, touch-line, touch-type, touche, touched, touchily, touchiness, touching, touchingly, touchy, tough, tough (also toughie / 5tQfI; `tQfI/), toughen, toughness, toupee, tour, tour de force, tourism, tourist, tourist class, tourist trap, tournament, tourniquet,